Tag gun



FIG. 1 is a first perspective view of a tag gun;

FIG. 2 is a second perspective view of the tag gun;

FIG. 3 is a first end view of the tag gun;

FIG. 4 is a first side view of the tag gun;

FIG. 5 is a second end view of the tag gun;

FIG. 6 is a bottom view of the tag gun;

FIG. 7 is a second side view of the tag gun; and,

FIG. 8 is a top view of the tag gun.

The broken line portions are not claimed. 

The ornamental design for a tag gun, as shown and described. 